String is "hello" and is "java". has a length of , and has a length of ; the sum of their lengths is . When sorted alphabetically/lexicographically, "hello" precedes ...

In Java, string is basically an object that represents sequence of char values. An array of characters works same as Java string. Java String class provides a lot of methods to perform operations on ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...